literay "to have dicked arround"
when you have time and nothing specific to accomplish, you occupy yourself with what is at hand. kind of like going to urbandictionary.com and adding your own definitions eg. ninja routesee putz and adhd

mother: "Son, you have been out side for nearly an hour, why is the lawn not mowed? what have you done with all that time?"
son: "aw shizzlema, i done putzed for how long now?"